Wood & Fiberglass Window Replacement cost: Bellevue vs Sammamish (2026)
Bellevue and Sammamish are a near-perfect match on wood and fiberglass window replacement cost in 2026, both landing around $20,700.
Bellevue WA
Typically around $20,700
Sammamish WA
Typically around $20,700
Bellevue vs Sammamish: full breakdown
| Factor | Bellevue | Sammamish |
|---|---|---|
| Typical 2026 cost | $20,700 | $20,700 |
| Estimated range | $11,900–$29,500 | $11,900–$29,500 |
| Labor index (vs US) | ×1.18 | ×1.18 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $125 | $125 |
| Labor share | $11,400 | $11,400 |
| Materials/equipment | $9,300 | $9,300 |
These are 2026 planning figures for wood and fiberglass window replacement, localized to each city — not formal quotes.
No real cost edge either way
This is a statistical tie on wood and fiberglass window replacement cost, so let contractor reputation and project timing decide, not geography.
Wood and fiberglass window replacement by type: Bellevue vs Sammamish
Each wood and fiberglass window replacement option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Bellevue | Sammamish |
|---|---|---|
| Fiberglass | $11,900–$26,000 | $11,900–$26,000 |
| Composite | $13,050–$27,150 | $13,050–$27,150 |
| Aluminum-clad wood | $15,400–$31,850 | $15,400–$31,850 |
| Solid wood | $16,600–$35,400 | $16,600–$35,400 |
Treat these as 2026 localized estimates for wood and fiberglass window replacement, not quotes from a contractor.
Wood and fiberglass window replacement by number of windows: Bellevue vs Sammamish
Wood and fiberglass windows are a premium upgrade — figure roughly $800–$2,500 per window installed depending on material, size, and finish. Cost scales with the number of openings, and wood typically runs higher than fiberglass.
| Size | Bellevue | Sammamish |
|---|---|---|
| 5 windows | $5,400–$13,050 | $5,400–$13,050 |
| 10 windows | $10,700–$23,650 | $10,700–$23,650 |
| 15 windows | $16,000–$33,050 | $16,000–$33,050 |
| 20 windows | $21,300–$42,450 | $21,300–$42,450 |
| 25+ windows (whole home) | $26,000–$53,000 | $26,000–$53,000 |
These are 2026 planning figures for wood and fiberglass window replacement, localized to each city — not formal quotes.
What windows pros earn in each metro
With labor making up about 55% of a wood and fiberglass window replacement job, wage differences between metros do most of the work here. These figures are real BLS OEWS installer wages, not modeled estimates.
Seattle-Tacoma-Bellevue metro · about 32% above the US average installer wage.
Seattle-Tacoma-Bellevue metro · about 32% above the US average installer wage.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for wood and fiberglass window replacement in either city
Two things line up in fall and winter: installers have open calendars and need the work, and manufacturers run their best promotions of the year. Buy then and you get both breaks at once.
How much should new windows really cost you?
A window quote bundles three separate purchases into one number: the frame, the glass, and the labor to set it right. Knowing which of the three actually moves comfort and bills is what keeps the money from landing in the wrong place.
The value case
For a whole-home replacement on a fixed budget, vinyl frames with double-pane low-E glass capture nearly all the comfort and efficiency gains at the lowest entry point. Stepping up to fiberglass or triple glazing buys diminishing returns most homeowners never actually notice.
The efficiency case
In extreme climates, triple-pane or premium low-E/gas-fill glass pays back in comfort and bills — and ENERGY STAR units may qualify for rebates. Spend on the glass package before the frame upgrade.
The install case
The best window on the market still fails when it's set into a bad opening without proper flashing. If the existing frame is rotted, a full-frame replacement that reseals the opening outlasts a cheap pocket insert every time — let the home's condition, not the lowest bid, decide the method.
Buy the glass package your climate needs, default to vinyl frames unless you have a reason not to, and never let install quality be the thing you cut to hit a number.
Bellevue vs Sammamish
Is wood and fiberglass window replacement cheaper in Bellevue or Sammamish?
wood and fiberglass window replacement costs about the same in both — roughly $20,700 in each city.
Why does wood and fiberglass window replacement cost more in Sammamish than Bellevue?
The main driver is local labor rates: Sammamish's labor index is 1.18 versus 1.18 in Bellevue. Climate zone (mixed vs mixed) also shift the total.
How much is wood and fiberglass window replacement in Bellevue, WA?
Bellevue homeowners can expect $11,900 to $29,500 for wood and fiberglass window replacement in 2026, with $20,700 the typical number.
Do windows pros really charge more in one city?
It's not a myth — BLS data puts installer wages at about $41.1/hr in the Seattle-Tacoma-Bellevue area and $41.1/hr in Seattle-Tacoma-Bellevue. Given labor is around 55% of a wood and fiberglass window replacement job's cost, that gap explains most of the price spread.
When is the cheapest time to buy wood and fiberglass window replacement — and does it differ by city?
Timing doesn't change by city here — Late fall and winter is the cheapest window in both Bellevue and Sammamish, saving roughly 5–15%. Avoid spring and summer peak in either location, when emergency replacements push prices up.
Should I choose where to live based on wood and fiberglass window replacement cost?
Cost shouldn't be the deciding factor between Bellevue and Sammamish — they land at nearly the same price. Contractor reputation, scope, equipment tier and timing matter more.
Compare wood and fiberglass window replacement in other cities
Updated June 2026 · By Serhat Özçelik